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DboSource now check the actual status of connection by executing a dumb query on DB

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This change makes it possible for developer to build reconnection logic
on MySQL connections which frequently time out in long running CLI
processes.

Cherry picked onto 2.7 from #7190.
This commit is contained in:
paolo 2015-08-06 16:05:16 +02:00 committed by mark_story
parent f959b76013
commit a7b5f8c3af
1 changed files with 6 additions and 0 deletions
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6
lib/Cake/Model/Datasource/DboSource.php
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@ -857,6 +857,12 @@ class DboSource extends DataSource {
* @return bool True if the database is connected, else false * @return bool True if the database is connected, else false
*/ */
public function isConnected() { public function isConnected() {
try {
$connected = $this->_connection->query('SELECT 1');
} catch (Exception $e) {
$connected = false;
}
$this->connected = ! empty($connected);
return $this->connected; return $this->connected;
} }